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        <title>3.7 检测Eigen库 · 《CMake Cookbook》中文版</title>
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        <li class="chapter " data-level="1.1" data-path="../../">
            
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                    Introduction
            
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        <li class="chapter " data-level="1.2" data-path="../preface/preface-chinese.html">
            
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                    前言
            
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        <li class="chapter " data-level="1.3" data-path="../chapter0/0.0-chinese.html">
            
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                    第0章 配置环境
            
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        <li class="chapter " data-level="1.3.1" data-path="../chapter0/0.1-chinese.html">
            
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                    0.1 获取代码
            
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        <li class="chapter " data-level="1.3.2" data-path="../chapter0/0.2-chinese.html">
            
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                    0.2 Docker镜像
            
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        <li class="chapter " data-level="1.3.3" data-path="../chapter0/0.3-chinese.html">
            
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                    0.3 安装必要的软件
            
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        <li class="chapter " data-level="1.3.4" data-path="../chapter0/0.4-chinese.html">
            
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                    0.4 测试环境
            
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        <li class="chapter " data-level="1.3.5" data-path="../chapter0/0.5-chinese.html">
            
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                    0.5 上报问题并提出改进建议
            
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        <li class="chapter " data-level="1.4" data-path="../chapter1/1.0-chinese.html">
            
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                    第1章 从可执行文件到库
            
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        <li class="chapter " data-level="1.4.1" data-path="../chapter1/1.1-chinese.html">
            
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                    1.1 将单个源文件编译为可执行文件
            
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                    1.2 切换生成器
            
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                    1.3 构建和链接静态库和动态库
            
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                    1.4 用条件句控制编译
            
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                    1.5 向用户显示选项
            
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                    1.6 指定编译器
            
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                    1.7 切换构建类型
            
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        <li class="chapter " data-level="1.4.8" data-path="../chapter1/1.8-chinese.html">
            
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                    1.8 设置编译器选项
            
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        <li class="chapter " data-level="1.4.9" data-path="../chapter1/1.9-chinese.html">
            
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                    1.9 为语言设定标准
            
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        <li class="chapter " data-level="1.4.10" data-path="../chapter1/1.10-chinese.html">
            
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                    1.10 使用控制流
            
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        <li class="chapter " data-level="1.5" data-path="../chapter2/2.0-chinese.html">
            
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                    第2章 检测环境
            
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        <li class="chapter " data-level="1.5.1" data-path="../chapter2/2.1-chinese.html">
            
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                    2.1 检测操作系统
            
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        <li class="chapter " data-level="1.5.2" data-path="../chapter2/2.2-chinese.html">
            
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                    2.2 处理与平台相关的源代码
            
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        <li class="chapter " data-level="1.5.3" data-path="../chapter2/2.3-chinese.html">
            
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                    2.3 处理与编译器相关的源代码
            
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        <li class="chapter " data-level="1.5.4" data-path="../chapter2/2.4-chinese.html">
            
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                    2.4 检测处理器体系结构
            
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        <li class="chapter " data-level="1.5.5" data-path="../chapter2/2.5-chinese.html">
            
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                    2.5 检测处理器指令集
            
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        <li class="chapter " data-level="1.5.6" data-path="../chapter2/2.6-chinese.html">
            
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                    2.6 为Eigen库使能向量化
            
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        <li class="chapter " data-level="1.6" data-path="3.0-chinese.html">
            
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                    第3章 检测外部库和程序
            
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        <li class="chapter " data-level="1.6.1" data-path="3.1-chinese.html">
            
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                    3.1 检测Python解释器
            
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        <li class="chapter " data-level="1.6.2" data-path="3.2-chinese.html">
            
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                    3.2 检测Python库
            
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        <li class="chapter " data-level="1.6.3" data-path="3.3-chinese.html">
            
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                    3.3 检测Python模块和包
            
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        <li class="chapter " data-level="1.6.4" data-path="3.4-chinese.html">
            
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                    3.4 检测BLAS和LAPACK数学库
            
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        <li class="chapter " data-level="1.6.5" data-path="3.5-chinese.html">
            
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                    3.5 检测OpenMP的并行环境
            
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        <li class="chapter " data-level="1.6.6" data-path="3.6-chinese.html">
            
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                    3.6 检测MPI的并行环境
            
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        <li class="chapter active" data-level="1.6.7" data-path="3.7-chinese.html">
            
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                    3.7 检测Eigen库
            
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        <li class="chapter " data-level="1.6.8" data-path="3.8-chinese.html">
            
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                    3.8 检测Boost库
            
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        <li class="chapter " data-level="1.6.9" data-path="3.9-chinese.html">
            
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                    3.9 检测外部库:Ⅰ. 使用pkg-config
            
                </a>
            

            
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        <li class="chapter " data-level="1.6.10" data-path="3.10-chinese.html">
            
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                    3.10 检测外部库:Ⅱ. 自定义find模块
            
                </a>
            

            
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            </ul>
            
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        <li class="chapter " data-level="1.7" data-path="../chapter4/4.0-chinese.html">
            
                <a href="../chapter4/4.0-chinese.html">
            
                    
                    第4章 创建和运行测试
            
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            <ul class="articles">
                
    
        <li class="chapter " data-level="1.7.1" data-path="../chapter4/4.1-chinese.html">
            
                <a href="../chapter4/4.1-chinese.html">
            
                    
                    4.1 创建一个简单的单元测试
            
                </a>
            

            
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        <li class="chapter " data-level="1.7.2" data-path="../chapter4/4.2-chinese.html">
            
                <a href="../chapter4/4.2-chinese.html">
            
                    
                    4.2 使用Catch2库进行单元测试
            
                </a>
            

            
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        <li class="chapter " data-level="1.7.3" data-path="../chapter4/4.3-chinese.html">
            
                <a href="../chapter4/4.3-chinese.html">
            
                    
                    4.3 使用Google Test库进行单元测试
            
                </a>
            

            
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        <li class="chapter " data-level="1.7.4" data-path="../chapter4/4.4-chinese.html">
            
                <a href="../chapter4/4.4-chinese.html">
            
                    
                    4.4 使用Boost Test进行单元测试
            
                </a>
            

            
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        <li class="chapter " data-level="1.7.5" data-path="../chapter4/4.5-chinese.html">
            
                <a href="../chapter4/4.5-chinese.html">
            
                    
                    4.5 使用动态分析来检测内存缺陷
            
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        <li class="chapter " data-level="1.7.6" data-path="../chapter4/4.6-chinese.html">
            
                <a href="../chapter4/4.6-chinese.html">
            
                    
                    4.6 预期测试失败
            
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        <li class="chapter " data-level="1.7.7" data-path="../chapter4/4.7-chinese.html">
            
                <a href="../chapter4/4.7-chinese.html">
            
                    
                    4.7 使用超时测试运行时间过长的测试
            
                </a>
            

            
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        <li class="chapter " data-level="1.7.8" data-path="../chapter4/4.8-chinese.html">
            
                <a href="../chapter4/4.8-chinese.html">
            
                    
                    4.8 并行测试
            
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        <li class="chapter " data-level="1.7.9" data-path="../chapter4/4.9-chinese.html">
            
                <a href="../chapter4/4.9-chinese.html">
            
                    
                    4.9 运行测试子集
            
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        <li class="chapter " data-level="1.7.10" data-path="../chapter4/4.10-chinese.html">
            
                <a href="../chapter4/4.10-chinese.html">
            
                    
                    4.10 使用测试固件
            
                </a>
            

            
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            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.8" data-path="../chapter5/5.0-chinese.html">
            
                <a href="../chapter5/5.0-chinese.html">
            
                    
                    第5章 配置时和构建时的操作
            
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            <ul class="articles">
                
    
        <li class="chapter " data-level="1.8.1" data-path="../chapter5/5.1-chinese.html">
            
                <a href="../chapter5/5.1-chinese.html">
            
                    
                    5.1 使用平台无关的文件操作
            
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        <li class="chapter " data-level="1.8.2" data-path="../chapter5/5.2-chinese.html">
            
                <a href="../chapter5/5.2-chinese.html">
            
                    
                    5.2 配置时运行自定义命令
            
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        <li class="chapter " data-level="1.8.3" data-path="../chapter5/5.3-chinese.html">
            
                <a href="../chapter5/5.3-chinese.html">
            
                    
                    5.3 构建时运行自定义命令:Ⅰ. 使用add_custom_command
            
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        <li class="chapter " data-level="1.8.4" data-path="../chapter5/5.4-chinese.html">
            
                <a href="../chapter5/5.4-chinese.html">
            
                    
                    5.4 构建时运行自定义命令:Ⅱ. 使用add_custom_target
            
                </a>
            

            
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        <li class="chapter " data-level="1.8.5" data-path="../chapter5/5.5-chinese.html">
            
                <a href="../chapter5/5.5-chinese.html">
            
                    
                    5.5 构建时为特定目标运行自定义命令
            
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        <li class="chapter " data-level="1.8.6" data-path="../chapter5/5.6-chinese.html">
            
                <a href="../chapter5/5.6-chinese.html">
            
                    
                    5.6 探究编译和链接命令
            
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        <li class="chapter " data-level="1.8.7" data-path="../chapter5/5.7-chinese.html">
            
                <a href="../chapter5/5.7-chinese.html">
            
                    
                    5.7 探究编译器标志命令
            
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        <li class="chapter " data-level="1.8.8" data-path="../chapter5/5.8-chinese.html">
            
                <a href="../chapter5/5.8-chinese.html">
            
                    
                    5.8 探究可执行命令
            
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        <li class="chapter " data-level="1.8.9" data-path="../chapter5/5.9-chinese.html">
            
                <a href="../chapter5/5.9-chinese.html">
            
                    
                    5.9 使用生成器表达式微调配置和编译
            
                </a>
            

            
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            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.9" data-path="../chapter6/6.0-chinese.html">
            
                <a href="../chapter6/6.0-chinese.html">
            
                    
                    第6章 生成源码
            
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            <ul class="articles">
                
    
        <li class="chapter " data-level="1.9.1" data-path="../chapter6/6.1-chinese.html">
            
                <a href="../chapter6/6.1-chinese.html">
            
                    
                    6.1 配置时生成源码
            
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        <li class="chapter " data-level="1.9.2" data-path="../chapter6/6.2-chinese.html">
            
                <a href="../chapter6/6.2-chinese.html">
            
                    
                    6.2 使用Python在配置时生成源码
            
                </a>
            

            
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        <li class="chapter " data-level="1.9.3" data-path="../chapter6/6.3-chinese.html">
            
                <a href="../chapter6/6.3-chinese.html">
            
                    
                    6.3 构建时使用Python生成源码
            
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        <li class="chapter " data-level="1.9.4" data-path="../chapter6/6.4-chinese.html">
            
                <a href="../chapter6/6.4-chinese.html">
            
                    
                    6.4 记录项目版本信息以便报告
            
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        <li class="chapter " data-level="1.9.5" data-path="../chapter6/6.5-chinese.html">
            
                <a href="../chapter6/6.5-chinese.html">
            
                    
                    6.5 从文件中记录项目版本
            
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        <li class="chapter " data-level="1.9.6" data-path="../chapter6/6.6-chinese.html">
            
                <a href="../chapter6/6.6-chinese.html">
            
                    
                    6.6 配置时记录Git Hash值
            
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        <li class="chapter " data-level="1.9.7" data-path="../chapter6/6.7-chinese.html">
            
                <a href="../chapter6/6.7-chinese.html">
            
                    
                    6.7 构建时记录Git Hash值
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.10" data-path="../chapter7/7.0-chinese.html">
            
                <a href="../chapter7/7.0-chinese.html">
            
                    
                    第7章 构建项目
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.10.1" data-path="../chapter7/7.1-chinese.html">
            
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                    7.1 使用函数和宏重用代码
            
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        <li class="chapter " data-level="1.10.2" data-path="../chapter7/7.2-chinese.html">
            
                <a href="../chapter7/7.2-chinese.html">
            
                    
                    7.2 将CMake源代码分成模块
            
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        <li class="chapter " data-level="1.10.3" data-path="../chapter7/7.3-chinese.html">
            
                <a href="../chapter7/7.3-chinese.html">
            
                    
                    7.3 编写函数来测试和设置编译器标志
            
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        <li class="chapter " data-level="1.10.4" data-path="../chapter7/7.4-chinese.html">
            
                <a href="../chapter7/7.4-chinese.html">
            
                    
                    7.4 用指定参数定义函数或宏
            
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        <li class="chapter " data-level="1.10.5" data-path="../chapter7/7.5-chinese.html">
            
                <a href="../chapter7/7.5-chinese.html">
            
                    
                    7.5 重新定义函数和宏
            
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        <li class="chapter " data-level="1.10.6" data-path="../chapter7/7.6-chinese.html">
            
                <a href="../chapter7/7.6-chinese.html">
            
                    
                    7.6 使用废弃函数、宏和变量
            
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        <li class="chapter " data-level="1.10.7" data-path="../chapter7/7.7-chinese.html">
            
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                    7.7 add_subdirectory的限定范围
            
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        <li class="chapter " data-level="1.10.8" data-path="../chapter7/7.8-chinese.html">
            
                <a href="../chapter7/7.8-chinese.html">
            
                    
                    7.8 使用target_sources避免全局变量
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.10.9" data-path="../chapter7/7.9-chinese.html">
            
                <a href="../chapter7/7.9-chinese.html">
            
                    
                    7.9 组织Fortran项目
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.11" data-path="../chapter8/8.0-chinese.html">
            
                <a href="../chapter8/8.0-chinese.html">
            
                    
                    第8章 超级构建模式
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.11.1" data-path="../chapter8/8.1-chinese.html">
            
                <a href="../chapter8/8.1-chinese.html">
            
                    
                    8.1 使用超级构建模式
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.11.2" data-path="../chapter8/8.2-chinese.html">
            
                <a href="../chapter8/8.2-chinese.html">
            
                    
                    8.2 使用超级构建管理依赖项:Ⅰ.Boost库
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.11.3" data-path="../chapter8/8.3-chinese.html">
            
                <a href="../chapter8/8.3-chinese.html">
            
                    
                    8.3 使用超级构建管理依赖项:Ⅱ.FFTW库
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.11.4" data-path="../chapter8/8.4-chinese.html">
            
                <a href="../chapter8/8.4-chinese.html">
            
                    
                    8.4 使用超级构建管理依赖项:Ⅲ.Google Test框架
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.11.5" data-path="../chapter8/8.5-chinese.html">
            
                <a href="../chapter8/8.5-chinese.html">
            
                    
                    8.5 使用超级构建支持项目
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.12" data-path="../chapter9/9.0-chinese.html">
            
                <a href="../chapter9/9.0-chinese.html">
            
                    
                    第9章 语言混合项目
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.12.1" data-path="../chapter9/9.1-chinese.html">
            
                <a href="../chapter9/9.1-chinese.html">
            
                    
                    9.1 使用C/C++库构建Fortran项目
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.2" data-path="../chapter9/9.2-chinese.html">
            
                <a href="../chapter9/9.2-chinese.html">
            
                    
                    9.2 使用Fortran库构建C/C++项目
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.3" data-path="../chapter9/9.3-chinese.html">
            
                <a href="../chapter9/9.3-chinese.html">
            
                    
                    9.3 使用Cython构建C++和Python项目
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.4" data-path="../chapter9/9.4-chinese.html">
            
                <a href="../chapter9/9.4-chinese.html">
            
                    
                    9.4 使用Boost.Python构建C++和Python项目
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.5" data-path="../chapter9/9.5-chinese.html">
            
                <a href="../chapter9/9.5-chinese.html">
            
                    
                    9.5 使用pybind11构建C++和Python项目
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.12.6" data-path="../chapter9/9.6-chinese.html">
            
                <a href="../chapter9/9.6-chinese.html">
            
                    
                    9.6 使用Python CFFI混合C，C++，Fortran和Python
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.13" data-path="../chapter10/10.0-chinese.html">
            
                <a href="../chapter10/10.0-chinese.html">
            
                    
                    第10章 编写安装程序
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.13.1" data-path="../chapter10/10.1-chinese.html">
            
                <a href="../chapter10/10.1-chinese.html">
            
                    
                    10.1 安装项目
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.13.2" data-path="../chapter10/10.2-chinese.html">
            
                <a href="../chapter10/10.2-chinese.html">
            
                    
                    10.2 生成输出头文件
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.13.3" data-path="../chapter10/10.3-chinese.html">
            
                <a href="../chapter10/10.3-chinese.html">
            
                    
                    10.3 输出目标
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.13.4" data-path="../chapter10/10.4-chinese.html">
            
                <a href="../chapter10/10.4-chinese.html">
            
                    
                    10.4 安装超级构建
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.14" data-path="../chapter11/11.0-chinese.html">
            
                <a href="../chapter11/11.0-chinese.html">
            
                    
                    第11章 打包项目
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.14.1" data-path="../chapter11/11.1-chinese.html">
            
                <a href="../chapter11/11.1-chinese.html">
            
                    
                    11.1 生成源代码和二进制包
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.14.2" data-path="../chapter11/11.2-chinese.html">
            
                <a href="../chapter11/11.2-chinese.html">
            
                    
                    11.2 通过PyPI发布使用CMake/pybind11构建的C++/Python项目
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.14.3" data-path="../chapter11/11.3-chinese.html">
            
                <a href="../chapter11/11.3-chinese.html">
            
                    
                    11.3 通过PyPI发布使用CMake/CFFI构建C/Fortran/Python项目
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.14.4" data-path="../chapter11/11.4-chinese.html">
            
                <a href="../chapter11/11.4-chinese.html">
            
                    
                    11.4 以Conda包的形式发布一个简单的项目
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.14.5" data-path="../chapter11/11.5-chinese.html">
            
                <a href="../chapter11/11.5-chinese.html">
            
                    
                    11.5 将Conda包作为依赖项发布给项目
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.15" data-path="../chapter12/12.0-chinese.html">
            
                <a href="../chapter12/12.0-chinese.html">
            
                    
                    第12章 构建文档
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.15.1" data-path="../chapter12/12.1-chinese.html">
            
                <a href="../chapter12/12.1-chinese.html">
            
                    
                    12.1 使用Doxygen构建文档
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.15.2" data-path="../chapter12/12.2-chinese.html">
            
                <a href="../chapter12/12.2-chinese.html">
            
                    
                    12.2 使用Sphinx构建文档
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.15.3" data-path="../chapter12/12.3-chinese.html">
            
                <a href="../chapter12/12.3-chinese.html">
            
                    
                    12.3 结合Doxygen和Sphinx
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.16" data-path="../chapter13/13.0-chinese.html">
            
                <a href="../chapter13/13.0-chinese.html">
            
                    
                    第13章 选择生成器和交叉编译
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.16.1" data-path="../chapter13/13.1-chinese.html">
            
                <a href="../chapter13/13.1-chinese.html">
            
                    
                    13.1 使用CMake构建Visual Studio 2017项目
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.16.2" data-path="../chapter13/13.2-chinese.html">
            
                <a href="../chapter13/13.2-chinese.html">
            
                    
                    13.2 交叉编译hello world示例
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.16.3" data-path="../chapter13/13.3-chinese.html">
            
                <a href="../chapter13/13.3-chinese.html">
            
                    
                    13.3 使用OpenMP并行化交叉编译Windows二进制文件
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.17" data-path="../chapter14/14.0-chinese.html">
            
                <a href="../chapter14/14.0-chinese.html">
            
                    
                    第14章 测试面板
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.17.1" data-path="../chapter14/14.1-chinese.html">
            
                <a href="../chapter14/14.1-chinese.html">
            
                    
                    14.1 将测试部署到CDash
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.17.2" data-path="../chapter14/14.2-chinese.html">
            
                <a href="../chapter14/14.2-chinese.html">
            
                    
                    14.2 CDash显示测试覆盖率
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.17.3" data-path="../chapter14/14.3-chinese.html">
            
                <a href="../chapter14/14.3-chinese.html">
            
                    
                    14.3 使用AddressSanifier向CDash报告内存缺陷
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.17.4" data-path="../chapter14/14.4-chinese.html">
            
                <a href="../chapter14/14.4-chinese.html">
            
                    
                    14.4 使用ThreadSaniiser向CDash报告数据争用
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.18" data-path="../chapter15/15.0-chinese.html">
            
                <a href="../chapter15/15.0-chinese.html">
            
                    
                    第15章 使用CMake构建已有项目
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.18.1" data-path="../chapter15/15.1-chinese.html">
            
                <a href="../chapter15/15.1-chinese.html">
            
                    
                    15.1 如何开始迁移项目
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.18.2" data-path="../chapter15/15.2-chinese.html">
            
                <a href="../chapter15/15.2-chinese.html">
            
                    
                    15.2 生成文件并编写平台检查
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.18.3" data-path="../chapter15/15.3-chinese.html">
            
                <a href="../chapter15/15.3-chinese.html">
            
                    
                    15.3 检测所需的链接和依赖关系
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.18.4" data-path="../chapter15/15.4-chinese.html">
            
                <a href="../chapter15/15.4-chinese.html">
            
                    
                    15.4 复制编译标志
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.18.5" data-path="../chapter15/15.5-chinese.html">
            
                <a href="../chapter15/15.5-chinese.html">
            
                    
                    15.5 移植测试
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.18.6" data-path="../chapter15/15.6-chinese.html">
            
                <a href="../chapter15/15.6-chinese.html">
            
                    
                    15.6 移植安装目标
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.18.7" data-path="../chapter15/15.7-chinese.html">
            
                <a href="../chapter15/15.7-chinese.html">
            
                    
                    15.7 进一步迁移的措施
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.18.8" data-path="../chapter15/15.8-chinese.html">
            
                <a href="../chapter15/15.8-chinese.html">
            
                    
                    15.8 项目转换为CMake的常见问题
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.19" data-path="../chapter16/16.0-chinese.html">
            
                <a href="../chapter16/16.0-chinese.html">
            
                    
                    第16章 可能感兴趣的书
            
                </a>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.19.1" data-path="../chapter16/16.1-chinese.html">
            
                <a href="../chapter16/16.1-chinese.html">
            
                    
                    16.1 留下评论——让其他读者知道你的想法
            
                </a>
            

            
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                                <h1 id="37-&#x68C0;&#x6D4B;eigen&#x5E93;">3.7 &#x68C0;&#x6D4B;Eigen&#x5E93;</h1>
<p><strong>NOTE</strong>:<em>&#x6B64;&#x793A;&#x4F8B;&#x4EE3;&#x7801;&#x53EF;&#x4EE5;&#x5728; <a href="https://github.com/dev-cafe/cmake-cookbook/tree/v1.0/chapter-03/recipe-07" target="_blank">https://github.com/dev-cafe/cmake-cookbook/tree/v1.0/chapter-03/recipe-07</a> &#x4E2D;&#x627E;&#x5230;&#xFF0C;&#x5305;&#x542B;&#x4E00;&#x4E2A;C++&#x7684;&#x793A;&#x4F8B;&#x3002;&#x8BE5;&#x793A;&#x4F8B;&#x5728;CMake 3.9&#x7248;(&#x6216;&#x66F4;&#x9AD8;&#x7248;&#x672C;)&#x4E2D;&#x662F;&#x6709;&#x6548;&#x7684;&#xFF0C;&#x5E76;&#x4E14;&#x5DF2;&#x7ECF;&#x5728;GNU/Linux&#x3001;macOS&#x548C;Windows&#x4E0A;&#x8FDB;&#x884C;&#x8FC7;&#x6D4B;&#x8BD5;&#x3002;<a href="https://github.com/dev-cafe/cmake-cookbook/tree/v1.0/chapter-03/recipe-06" target="_blank">https://github.com/dev-cafe/cmake-cookbook/tree/v1.0/chapter-03/recipe-06</a> &#x4E2D;&#x4E5F;&#x6709;&#x4E00;&#x4E2A;&#x9002;&#x7528;&#x4E8E;CMake 3.5&#x7684;C++&#x793A;&#x4F8B;&#x3002;</em></p>
<p>BLAS&#x5E93;&#x4E3A;&#x77E9;&#x9635;&#x548C;&#x5411;&#x91CF;&#x64CD;&#x4F5C;&#x63D0;&#x4F9B;&#x4E86;&#x6807;&#x51C6;&#x5316;&#x63A5;&#x53E3;&#x3002;&#x4E0D;&#x8FC7;&#xFF0C;&#x8FD9;&#x4E2A;&#x63A5;&#x53E3;&#x7528;Fortran&#x8BED;&#x8A00;&#x4E66;&#x5199;&#x3002;&#x867D;&#x7136;&#x5DF2;&#x7ECF;&#x5C55;&#x793A;&#x4E86;&#x5982;&#x4F55;&#x4F7F;&#x7528;C++&#x76F4;&#x63A5;&#x4F7F;&#x7528;&#x8FD9;&#x4E9B;&#x5E93;&#xFF0C;&#x4F46;&#x5728;&#x73B0;&#x4EE3;C++&#x7A0B;&#x5E8F;&#x4E2D;&#xFF0C;&#x5E0C;&#x671B;&#x6709;&#x66F4;&#x9AD8;&#x7EA7;&#x7684;&#x63A5;&#x53E3;&#x3002;</p>
<p>&#x7EAF;&#x5934;&#x6587;&#x4EF6;&#x5B9E;&#x73B0;&#x7684;Eigen&#x5E93;&#xFF0C;&#x4F7F;&#x7528;&#x6A21;&#x677F;&#x7F16;&#x7A0B;&#x6765;&#x63D0;&#x4F9B;&#x63A5;&#x53E3;&#x3002;&#x77E9;&#x9635;&#x548C;&#x5411;&#x91CF;&#x7684;&#x8BA1;&#x7B97;&#xFF0C;&#x4F1A;&#x5728;&#x7F16;&#x8BD1;&#x65F6;&#x8FDB;&#x884C;&#x6570;&#x636E;&#x7C7B;&#x578B;&#x68C0;&#x67E5;&#xFF0C;&#x4EE5;&#x786E;&#x4FDD;&#x517C;&#x5BB9;&#x6240;&#x6709;&#x7EF4;&#x5EA6;&#x7684;&#x77E9;&#x9635;&#x3002;&#x5BC6;&#x96C6;&#x548C;&#x7A00;&#x758F;&#x77E9;&#x9635;&#x7684;&#x8FD0;&#x7B97;&#xFF0C;&#x4E5F;&#x53EF;&#x4F7F;&#x7528;&#x8868;&#x8FBE;&#x5F0F;&#x6A21;&#x677F;&#x9AD8;&#x6548;&#x7684;&#x8FDB;&#x884C;&#x5B9E;&#x73B0;&#xFF0C;&#x5982;&#xFF1A;&#x77E9;&#x9635;-&#x77E9;&#x9635;&#x4E58;&#x79EF;&#xFF0C;&#x7EBF;&#x6027;&#x7CFB;&#x7EDF;&#x6C42;&#x89E3;&#x5668;&#x548C;&#x7279;&#x5F81;&#x503C;&#x95EE;&#x9898;&#x3002;&#x4ECE;3.3&#x7248;&#x5F00;&#x59CB;&#xFF0C;Eigen&#x53EF;&#x4EE5;&#x94FE;&#x63A5;&#x5230;BLAS&#x548C;LAPACK&#x5E93;&#x4E2D;&#xFF0C;&#x8FD9;&#x53EF;&#x4EE5;&#x5C06;&#x67D0;&#x4E9B;&#x64CD;&#x4F5C;&#x5B9E;&#x73B0;&#x8FDB;&#x884C;&#x5378;&#x8F7D;&#xFF0C;&#x4F7F;&#x5E93;&#x7684;&#x5B9E;&#x73B0;&#x66F4;&#x52A0;&#x7075;&#x6D3B;&#xFF0C;&#x4ECE;&#x800C;&#x83B7;&#x5F97;&#x66F4;&#x591A;&#x7684;&#x6027;&#x80FD;&#x6536;&#x76CA;&#x3002;</p>
<p>&#x672C;&#x793A;&#x4F8B;&#x5C06;&#x5C55;&#x793A;&#x5982;&#x4F55;&#x67E5;&#x627E;Eigen&#x5E93;&#xFF0C;&#x4F7F;&#x7528;OpenMP&#x5E76;&#x884C;&#x5316;&#xFF0C;&#x5E76;&#x5C06;&#x90E8;&#x5206;&#x5DE5;&#x4F5C;&#x8F6C;&#x79FB;&#x5230;BLAS&#x5E93;&#x3002;</p>
<p>&#x672C;&#x793A;&#x4F8B;&#x4E2D;&#x4F1A;&#x5B9E;&#x73B0;&#xFF0C;&#x77E9;&#x9635;-&#x5411;&#x91CF;&#x4E58;&#x6CD5;&#x548C;<a href="[https:/zh.wikipedia.org/wiki/LU%E5%88%86%E8%A7%A3](https:/zh.wikipedia.org/wiki/LU&#x5206;&#x89E3;">LU&#x5206;&#x89E3;</a>)&#xFF0C;&#x53EF;&#x4EE5;&#x9009;&#x62E9;&#x5378;&#x8F7D;BLAS&#x548C;LAPACK&#x5E93;&#x4E2D;&#x7684;&#x4E00;&#x4E9B;&#x5B9E;&#x73B0;&#x3002;&#x8FD9;&#x4E2A;&#x793A;&#x4F8B;&#x4E2D;&#xFF0C;&#x53EA;&#x8003;&#x8651;&#x5C06;&#x5728;BLAS&#x5E93;&#x4E2D;&#x5378;&#x8F7D;&#x3002;</p>
<h2 id="&#x51C6;&#x5907;&#x5DE5;&#x4F5C;">&#x51C6;&#x5907;&#x5DE5;&#x4F5C;</h2>
<p>&#x672C;&#x4F8B;&#x4E2D;&#xFF0C;&#x6211;&#x4EEC;&#x7F16;&#x8BD1;&#x4E00;&#x4E2A;&#x7A0B;&#x5E8F;&#xFF0C;&#x8BE5;&#x7A0B;&#x5E8F;&#x4F1A;&#x4ECE;&#x547D;&#x4EE4;&#x884C;&#x83B7;&#x53D6;&#x7684;&#x968F;&#x673A;&#x65B9;&#x9635;&#x548C;&#x7EF4;&#x5411;&#x91CF;&#x3002;&#x7136;&#x540E;&#x6211;&#x4EEC;&#x5C06;&#x7528;LU&#x5206;&#x89E3;&#x6765;&#x89E3;&#x7EBF;&#x6027;&#x65B9;&#x7A0B;&#x7EC4;<strong>Ax=b</strong>&#x3002;&#x4EE5;&#x4E0B;&#x662F;&#x6E90;&#x4EE3;&#x7801;(<code>linear-algebra.cpp</code>):</p>
<pre><code class="lang-c++">#include &lt;chrono&gt;
#include &lt;cmath&gt;
#include &lt;cstdlib&gt;
#include &lt;iomanip&gt;
#include &lt;iostream&gt;
#include &lt;vector&gt;

#include &lt;Eigen/Dense&gt;

int main(int argc, char **argv)
{
  if (argc != 2)
  {
    std::cout &lt;&lt; &quot;Usage: ./linear-algebra dim&quot; &lt;&lt; std::endl;
    return EXIT_FAILURE;
  }
  std::chrono::time_point&lt;std::chrono::system_clock&gt; start, end;
  std::chrono::duration&lt;double&gt; elapsed_seconds;
  std::time_t end_time;
  std::cout &lt;&lt; &quot;Number of threads used by Eigen: &quot; &lt;&lt; Eigen::nbThreads()
            &lt;&lt; std::endl;

  // Allocate matrices and right-hand side vector
  start = std::chrono::system_clock::now();
  int dim = std::atoi(argv[1]);
  Eigen::MatrixXd A = Eigen::MatrixXd::Random(dim, dim);
  Eigen::VectorXd b = Eigen::VectorXd::Random(dim);
  end = std::chrono::system_clock::now();

  // Report times
  elapsed_seconds = end - start;
  end_time = std::chrono::system_clock::to_time_t(end);
  std::cout &lt;&lt; &quot;matrices allocated and initialized &quot;
            &lt;&lt; std::put_time(std::localtime(&amp;end_time), &quot;%a %b %d %Y
  %r\n&quot;)
            &lt;&lt; &quot;elapsed time: &quot; &lt;&lt; elapsed_seconds.count() &lt;&lt; &quot;s\n&quot;;

  start = std::chrono::system_clock::now();
  // Save matrix and RHS
  Eigen::MatrixXd A1 = A;
  Eigen::VectorXd b1 = b;
  end = std::chrono::system_clock::now();
  end_time = std::chrono::system_clock::to_time_t(end);
  std::cout &lt;&lt; &quot;Scaling done, A and b saved &quot;
            &lt;&lt; std::put_time(std::localtime(&amp;end_time), &quot;%a %b %d %Y %r\n&quot;)
            &lt;&lt; &quot;elapsed time: &quot; &lt;&lt; elapsed_seconds.count() &lt;&lt; &quot;s\n&quot;;
  start = std::chrono::system_clock::now();
  Eigen::VectorXd x = A.lu().solve(b);
  end = std::chrono::system_clock::now();

  // Report times
  elapsed_seconds = end - start;
  end_time = std::chrono::system_clock::to_time_t(end);
  double relative_error = (A * x - b).norm() / b.norm();
  std::cout &lt;&lt; &quot;Linear system solver done &quot;
            &lt;&lt; std::put_time(std::localtime(&amp;end_time), &quot;%a %b %d %Y %r\n&quot;)
            &lt;&lt; &quot;elapsed time: &quot; &lt;&lt; elapsed_seconds.count() &lt;&lt; &quot;s\n&quot;;
  std::cout &lt;&lt; &quot;relative error is &quot; &lt;&lt; relative_error &lt;&lt; std::endl;

  return 0;
}
</code></pre>
<p>&#x77E9;&#x9635;-&#x5411;&#x91CF;&#x4E58;&#x6CD5;&#x548C;LU&#x5206;&#x89E3;&#x662F;&#x5728;Eigen&#x5E93;&#x4E2D;&#x5B9E;&#x73B0;&#x7684;&#xFF0C;&#x4F46;&#x662F;&#x53EF;&#x4EE5;&#x9009;&#x62E9;BLAS&#x548C;LAPACK&#x5E93;&#x4E2D;&#x7684;&#x5B9E;&#x73B0;&#x3002;&#x5728;&#x8FD9;&#x4E2A;&#x793A;&#x4F8B;&#x4E2D;&#xFF0C;&#x6211;&#x4EEC;&#x53EA;&#x8003;&#x8651;BLAS&#x5E93;&#x4E2D;&#x7684;&#x5B9E;&#x73B0;&#x3002;</p>
<h2 id="&#x5177;&#x4F53;&#x5B9E;&#x65BD;">&#x5177;&#x4F53;&#x5B9E;&#x65BD;</h2>
<p>&#x8FD9;&#x4E2A;&#x793A;&#x4F8B;&#x4E2D;&#xFF0C;&#x6211;&#x4EEC;&#x5C06;&#x7528;&#x5230;Eigen&#x548C;BLAS&#x5E93;&#xFF0C;&#x4EE5;&#x53CA;OpenMP&#x3002;&#x4F7F;&#x7528;OpenMP&#x5C06;Eigen&#x5E76;&#x884C;&#x5316;&#xFF0C;&#x5E76;&#x4ECE;BLAS&#x5E93;&#x4E2D;&#x5378;&#x8F7D;&#x90E8;&#x5206;&#x7EBF;&#x6027;&#x4EE3;&#x6570;&#x5B9E;&#x73B0;:</p>
<ol>
<li><p>&#x9996;&#x5148;&#x58F0;&#x660E;CMake&#x6700;&#x4F4E;&#x7248;&#x672C;&#x3001;&#x9879;&#x76EE;&#x540D;&#x79F0;&#x548C;&#x4F7F;&#x7528;C++11&#x8BED;&#x8A00;&#x6807;&#x51C6;:</p>
<pre><code class="lang-cmake"><span class="hljs-keyword">cmake_minimum_required</span>(VERSION <span class="hljs-number">3.9</span> FATAL_ERROR)

<span class="hljs-keyword">project</span>(recipe-<span class="hljs-number">07</span> LANGUAGES CXX)

<span class="hljs-keyword">set</span>(CMAKE_CXX_STANDARD <span class="hljs-number">11</span>)
<span class="hljs-keyword">set</span>(CMAKE_CXX_EXTENSIONS <span class="hljs-keyword">OFF</span>)
<span class="hljs-keyword">set</span>(CMAKE_CXX_STANDARD_REQUIRED <span class="hljs-keyword">ON</span>)
</code></pre>
</li>
<li><p>&#x56E0;&#x4E3A;Eigen&#x53EF;&#x4EE5;&#x4F7F;&#x7528;&#x5171;&#x4EAB;&#x5185;&#x5B58;&#x7684;&#x65B9;&#x5F0F;&#xFF0C;&#x6240;&#x4EE5;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;OpenMP&#x5E76;&#x884C;&#x5904;&#x7406;&#x8BA1;&#x7B97;&#x5BC6;&#x96C6;&#x578B;&#x64CD;&#x4F5C;:</p>
<pre><code class="lang-cmake"><span class="hljs-keyword">find_package</span>(OpenMP REQUIRED)
</code></pre>
</li>
<li><p>&#x8C03;&#x7528;<code>find_package</code>&#x6765;&#x641C;&#x7D22;Eigen(&#x5C06;&#x5728;&#x4E0B;&#x4E00;&#x5C0F;&#x8282;&#x4E2D;&#x8BA8;&#x8BBA;):</p>
<pre><code class="lang-cmake"><span class="hljs-keyword">find_package</span>(Eigen3 <span class="hljs-number">3.3</span> REQUIRED CONFIG)
</code></pre>
</li>
<li><p>&#x5982;&#x679C;&#x627E;&#x5230;Eigen&#xFF0C;&#x6211;&#x4EEC;&#x5C06;&#x6253;&#x5370;&#x72B6;&#x6001;&#x4FE1;&#x606F;&#x3002;&#x6CE8;&#x610F;&#xFF0C;&#x4F7F;&#x7528;&#x7684;&#x662F;<code>Eigen3::Eigen</code>&#xFF0C;&#x8FD9;&#x662F;&#x4E00;&#x4E2A;<code>IMPORT</code>&#x76EE;&#x6807;&#xFF0C;&#x53EF;&#x901A;&#x8FC7;&#x63D0;&#x4F9B;&#x7684;CMake&#x811A;&#x672C;&#x627E;&#x5230;&#x8FD9;&#x4E2A;&#x76EE;&#x6807;:</p>
<pre><code class="lang-cmake"><span class="hljs-keyword">if</span>(TARGET Eigen3::Eigen)
  <span class="hljs-keyword">message</span>(STATUS <span class="hljs-string">&quot;Eigen3 v${EIGEN3_VERSION_STRING} found in ${EIGEN3_INCLUDE_DIR}&quot;</span>)
<span class="hljs-keyword">endif</span>()
</code></pre>
</li>
<li><p>&#x63A5;&#x4E0B;&#x6765;&#xFF0C;&#x5C06;&#x6E90;&#x6587;&#x4EF6;&#x58F0;&#x660E;&#x4E3A;&#x53EF;&#x6267;&#x884C;&#x76EE;&#x6807;:</p>
<pre><code class="lang-cmake"><span class="hljs-keyword">add_executable</span>(linear-algebra linear-algebra.cpp)
</code></pre>
</li>
<li><p>&#x7136;&#x540E;&#xFF0C;&#x627E;&#x5230;BLAS&#x3002;&#x6CE8;&#x610F;&#xFF0C;&#x73B0;&#x5728;&#x4E0D;&#x9700;&#x8981;&#x4F9D;&#x8D56;&#x9879;:</p>
<pre><code class="lang-cmake"><span class="hljs-keyword">find_package</span>(BLAS)
</code></pre>
</li>
<li><p>&#x5982;&#x679C;&#x627E;&#x5230;BLAS&#xFF0C;&#x6211;&#x4EEC;&#x53EF;&#x4E3A;&#x53EF;&#x6267;&#x884C;&#x76EE;&#x6807;&#xFF0C;&#x8BBE;&#x7F6E;&#x76F8;&#x5E94;&#x7684;&#x5B8F;&#x5B9A;&#x4E49;&#x548C;&#x94FE;&#x63A5;&#x5E93;:</p>
<pre><code class="lang-cmake"><span class="hljs-keyword">if</span>(BLAS_FOUND)
  <span class="hljs-keyword">message</span>(STATUS <span class="hljs-string">&quot;Eigen will use some subroutines from BLAS.&quot;</span>)
  <span class="hljs-keyword">message</span>(STATUS <span class="hljs-string">&quot;See: http://eigen.tuxfamily.org/dox-devel/TopicUsingBlasLapack.html&quot;</span>)
  target_compile_definitions(linear-algebra
    PRIVATE
        EIGEN_USE_BLAS
    )
  <span class="hljs-keyword">target_link_libraries</span>(linear-algebra
    PUBLIC
        <span class="hljs-variable">${BLAS_LIBRARIES}</span>
    )
<span class="hljs-keyword">else</span>()
    <span class="hljs-keyword">message</span>(STATUS <span class="hljs-string">&quot;BLAS not found. Using Eigen own functions&quot;</span>)
<span class="hljs-keyword">endif</span>()
</code></pre>
</li>
<li><p>&#x6700;&#x540E;&#xFF0C;&#x6211;&#x4EEC;&#x94FE;&#x63A5;&#x5230;<code>Eigen3::Eigen</code>&#x548C;<code>OpenMP::OpenMP_CXX</code>&#x76EE;&#x6807;&#x3002;&#x8FD9;&#x5C31;&#x53EF;&#x4EE5;&#x8BBE;&#x7F6E;&#x6240;&#x6709;&#x5FC5;&#x8981;&#x7684;&#x7F16;&#x8BD1;&#x6807;&#x793A;&#x548C;&#x94FE;&#x63A5;&#x6807;&#x5FD7;:</p>
<pre><code class="lang-cmake"><span class="hljs-keyword">target_link_libraries</span>(linear-algebra
  PUBLIC
    Eigen3::Eigen
    OpenMP::OpenMP_CXX
  )
</code></pre>
</li>
<li><p>&#x5F00;&#x59CB;&#x914D;&#x7F6E;:</p>
<pre><code class="lang-shell">$ mkdir -p build
$ cd build
$ cmake ..

-- ...
-- Found OpenMP_CXX: -fopenmp (found version &quot;4.5&quot;)
-- Found OpenMP: TRUE (found version &quot;4.5&quot;)
-- Eigen3 v3.3.4 found in /usr/include/eigen3
-- ...
-- Found BLAS: /usr/lib/libblas.so
-- Eigen will use some subroutines from BLAS.
-- See: http://eigen.tuxfamily.org/dox-devel/TopicUsingBlasLapack.html
</code></pre>
</li>
<li><p>&#x6700;&#x540E;&#xFF0C;&#x7F16;&#x8BD1;&#x5E76;&#x6D4B;&#x8BD5;&#x4EE3;&#x7801;&#x3002;&#x6CE8;&#x610F;&#xFF0C;&#x53EF;&#x6267;&#x884C;&#x6587;&#x4EF6;&#x4F7F;&#x7528;&#x56DB;&#x4E2A;&#x7EBF;&#x7A0B;&#x8FD0;&#x884C;:</p>
<pre><code class="lang-shell">$ cmake --build .
$ ./linear-algebra 1000

Number of threads used by Eigen: 4
matrices allocated and initialized Sun Jun 17 2018 11:04:20 AM
elapsed time: 0.0492328s
Scaling done, A and b saved Sun Jun 17 2018 11:04:20 AM
elapsed time: 0.0492328s
Linear system solver done Sun Jun 17 2018 11:04:20 AM
elapsed time: 0.483142s
relative error is 4.21946e-13
</code></pre>
</li>
</ol>
<h2 id="&#x5DE5;&#x4F5C;&#x539F;&#x7406;">&#x5DE5;&#x4F5C;&#x539F;&#x7406;</h2>
<p>Eigen&#x652F;&#x6301;CMake&#x67E5;&#x627E;&#xFF0C;&#x8FD9;&#x6837;&#x914D;&#x7F6E;&#x9879;&#x76EE;&#x5C31;&#x4F1A;&#x53D8;&#x5F97;&#x5F88;&#x5BB9;&#x6613;&#x3002;&#x4ECE;3.3&#x7248;&#x5F00;&#x59CB;&#xFF0C;Eigen&#x63D0;&#x4F9B;&#x4E86;CMake&#x6A21;&#x5757;&#xFF0C;&#x8FD9;&#x4E9B;&#x6A21;&#x5757;&#x5C06;&#x5BFC;&#x51FA;&#x76F8;&#x5E94;&#x7684;&#x76EE;&#x6807;<code>Eigen3::Eigen</code>&#x3002;</p>
<p><code>find_package</code>&#x53EF;&#x4EE5;&#x901A;&#x8FC7;&#x9009;&#x9879;&#x4F20;&#x9012;&#xFF0C;&#x5C4A;&#x65F6;CMake&#x5C06;&#x4E0D;&#x4F1A;&#x4F7F;&#x7528;<code>FindEigen3.cmake</code>&#x6A21;&#x5757;&#xFF0C;&#x800C;&#x662F;&#x901A;&#x8FC7;&#x7279;&#x5B9A;&#x7684;<code>Eigen3Config.cmake</code>&#xFF0C;<code>Eigen3ConfigVersion.cmake</code>&#x548C;<code>Eigen3Targets.cmake</code>&#x63D0;&#x4F9B;Eigen3&#x5B89;&#x88C5;&#x7684;&#x6807;&#x51C6;&#x4F4D;&#x7F6E;(<code>&lt;installation-prefix&gt;/share/eigen3/cmake</code>)&#x3002;&#x8FD9;&#x79CD;&#x5305;&#x5B9A;&#x4F4D;&#x6A21;&#x5F0F;&#x79F0;&#x4E3A;&#x201C;Config&#x201D;&#x6A21;&#x5F0F;&#xFF0C;&#x6BD4;<code>Find&lt;package&gt;.cmake</code>&#x65B9;&#x5F0F;&#x66F4;&#x52A0;&#x901A;&#x7528;&#x3002;&#x6709;&#x5173;&#x201C;&#x6A21;&#x5757;&#x201D;&#x6A21;&#x5F0F;&#x548C;&#x201C;&#x914D;&#x7F6E;&#x201D;&#x6A21;&#x5F0F;&#x7684;&#x66F4;&#x591A;&#x4FE1;&#x606F;&#xFF0C;&#x53EF;&#x53C2;&#x8003;&#x5B98;&#x65B9;&#x6587;&#x6863; <a href="https://cmake.org/cmake/help/v3.5/command/find_package.html" target="_blank">https://cmake.org/cmake/help/v3.5/command/find_package.html</a> &#x3002;</p>
<p>&#x867D;&#x7136;Eigen3&#x3001;BLAS&#x548C;OpenMP&#x58F0;&#x660E;&#x4E3A;<code>PUBLIC</code>&#x4F9D;&#x8D56;&#x9879;&#xFF0C;&#x4F46;<code>EIGEN_USE_BLAS</code>&#x7F16;&#x8BD1;&#x5B9A;&#x4E49;&#x58F0;&#x660E;&#x4E3A;<code>PRIVATE</code>&#x3002;&#x53EF;&#x4EE5;&#x5728;&#x5355;&#x72EC;&#x7684;&#x5E93;&#x76EE;&#x6807;&#x4E2D;&#x6C47;&#x96C6;&#x5E93;&#x4F9D;&#x8D56;&#x9879;&#xFF0C;&#x800C;&#x4E0D;&#x662F;&#x76F4;&#x63A5;&#x94FE;&#x63A5;&#x53EF;&#x6267;&#x884C;&#x6587;&#x4EF6;&#x3002;&#x4F7F;&#x7528;<code>PUBLIC/PRIVATE</code>&#x5173;&#x952E;&#x5B57;&#xFF0C;&#x53EF;&#x4EE5;&#x6839;&#x636E;&#x5E93;&#x76EE;&#x6807;&#x7684;&#x4F9D;&#x8D56;&#x5173;&#x7CFB;&#x8C03;&#x6574;&#x76F8;&#x5E94;&#x6807;&#x5FD7;&#x548C;&#x5B9A;&#x4E49;&#x3002;</p>
<h2 id="&#x66F4;&#x591A;&#x4FE1;&#x606F;">&#x66F4;&#x591A;&#x4FE1;&#x606F;</h2>
<p>CMake&#x5C06;&#x5728;&#x9884;&#x5B9A;&#x4E49;&#x7684;&#x4F4D;&#x7F6E;&#x5C42;&#x6B21;&#x7ED3;&#x6784;&#x4E2D;&#x67E5;&#x627E;&#x914D;&#x7F6E;&#x6A21;&#x5757;&#x3002;&#x9996;&#x5148;&#x662F;<code>CMAKE_PREFIX_PATH</code>&#xFF0C;<code>&lt;package&gt;_DIR</code>&#x662F;&#x63A5;&#x4E0B;&#x6765;&#x7684;&#x641C;&#x7D22;&#x8DEF;&#x5F84;&#x3002;&#x56E0;&#x6B64;&#xFF0C;&#x5982;&#x679C;Eigen3&#x5B89;&#x88C5;&#x5728;&#x975E;&#x6807;&#x51C6;&#x4F4D;&#x7F6E;&#xFF0C;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;&#x8FD9;&#x4E24;&#x4E2A;&#x9009;&#x9879;&#x6765;&#x544A;&#x8BC9;CMake&#x5728;&#x54EA;&#x91CC;&#x67E5;&#x627E;&#x5B83;:</p>
<ol>
<li><p>&#x901A;&#x8FC7;&#x5C06;Eigen3&#x7684;&#x5B89;&#x88C5;&#x524D;&#x7F00;&#x4F20;&#x9012;&#x7ED9;<code>CMAKE_PREFIX_PATH</code>:</p>
<pre><code class="lang-shell">$ cmake -D CMAKE_PREFIX_PATH=&lt;installation-prefix&gt; ..
</code></pre>
</li>
<li><p>&#x901A;&#x8FC7;&#x4F20;&#x9012;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x7684;&#x4F4D;&#x7F6E;&#x4F5C;&#x4E3A;<code>Eigen3_DIR</code>:</p>
<pre><code class="lang-shell">$ cmake -D Eigen3_DIR=&lt;installation-prefix&gt;/share/eigen3/cmake ..
</code></pre>
</li>
</ol>

                                
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